githubmirror/immutable-js

website/docs/isValueObject().mdx

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Julien Deniau

Doc as mdx instead of export from .d.ts file (#2104)

24 май 2025, 00:47

24 май 2025, 00:4721de701

import Repl from '@/repl/Repl.tsx';
import CodeLink from '@/mdx-components/CodeLink.tsx';

# isValueObject()

True if `maybeValue` is a JavaScript Object which has _both_ `equals()` and `hashCode()` methods.

<Signature code={`isValueObject(maybeValue: unknown): boolean;`} />

Any two instances of value objects can be compared for value equality with `Immutable.is()` and can be used as keys in a `Map` or members in a `Set`.